316458520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:377

約数の個数: 128

約数和(自身を含む): 841881600

約数和(自身を除く): 525423080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 139, 140, 173, 188, 235, 278, 280, 329, 346, 376, 470, 556, 658, 692, 695, 865, 940, 973, 1112, 1211, 1316, 1384, 1390, 1645, 1730, 1880, 1946, 2422, 2632, 2780, 3290, 3460, 3892, 4844, 4865, 5560, 6055, 6533, 6580, 6920, 7784, 8131, 9688, 9730, 12110, 13066, 13160, 16262, 19460, 24047, 24220, 26132, 32524, 32665, 38920, 40655, 45731, 48094, 48440, 52264, 56917, 65048, 65330, 81310, 91462, 96188, 113834, 120235, 130660, 162620, 168329, 182924, 192376, 227668, 228655, 240470, 261320, 284585, 325240, 336658, 365848, 455336, 457310, 480940, 569170, 673316, 841645, 914620, 961880, 1130209, 1138340, 1346632, 1683290, 1829240, 2260418, 2276680, 3366580, 4520836, 5651045, 6733160, 7911463, 9041672, 11302090, 15822926, 22604180, 31645852, 39557315, 45208360, 63291704, 79114630, 158229260, 316458520]

約数ペア:

[(1, 316458520), (2, 158229260), (4, 79114630), (5, 63291704), (7, 45208360), (8, 39557315), (10, 31645852), (14, 22604180), (20, 15822926), (28, 11302090), (35, 9041672), (40, 7911463), (47, 6733160), (56, 5651045), (70, 4520836), (94, 3366580), (139, 2276680), (140, 2260418), (173, 1829240), (188, 1683290), (235, 1346632), (278, 1138340), (280, 1130209), (329, 961880), (346, 914620), (376, 841645), (470, 673316), (556, 569170), (658, 480940), (692, 457310), (695, 455336), (865, 365848), (940, 336658), (973, 325240), (1112, 284585), (1211, 261320), (1316, 240470), (1384, 228655), (1390, 227668), (1645, 192376), (1730, 182924), (1880, 168329), (1946, 162620), (2422, 130660), (2632, 120235), (2780, 113834), (3290, 96188), (3460, 91462), (3892, 81310), (4844, 65330), (4865, 65048), (5560, 56917), (6055, 52264), (6533, 48440), (6580, 48094), (6920, 45731), (7784, 40655), (8131, 38920), (9688, 32665), (9730, 32524), (12110, 26132), (13066, 24220), (13160, 24047), (16262, 19460)]